Rare Chinese frogs communicate by means of ultrasonic sound

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Artists rendering of Amolops tormotus. By Margaret Kowalczyk
Artist's rendering of Amolops tormotus. By Margaret Kowalczyk

First came word that a rare frog (Amolops tormotus) in China sings like a bird, then that the species produces very high-pitch ultrasonic sounds. Now scientists say that these concave-eared torrent frogs also hear and respond to the sounds.


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